"Redundant visibility": Fix false positive for overridden setter

#KT-26051 Fixed

idea/testData/inspectionsLocal/redundantVisibilityModifier/.inspection

@@ -0,0 +1 @@
+org.jetbrains.kotlin.idea.inspections.RedundantVisibilityModifierInspection

idea/testData/inspectionsLocal/redundantVisibilityModifier/overridePropertySetter.kt

@@ -0,0 +1,16 @@
+// PROBLEM: none
+
+abstract class Foo {
+    abstract var id: Int
+        protected set
+}
+
+class Bar : Foo() {
+    override var id: Int = 1
+        <caret>public set
+}
+
+fun test() {
+    val bar = Bar()
+    bar.id = 1
+}